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Questions and Answers
What is the main function of a network?
What is the main function of a network?
- To create a network of networks
- To provide connectivity for computers and devices within a restricted range (correct)
- To link computer systems and devices using wireless network or communication devices
- To connect various types of electric devices worldwide
Which type of network connects a small number of systems in a relatively close geographical area?
Which type of network connects a small number of systems in a relatively close geographical area?
- Local Area Network (LAN) (correct)
- Internet (Interconnected Network)
- Wide Area Network (WAN)
- Metropolitan area Network (MAN)
What is the Internet commonly referred to as?
What is the Internet commonly referred to as?
- A collection of computer systems and devices
- A global system which uses TCP/IP protocol suite
- A network of networks (correct)
- A type of network
What does MAN (Metropolitan Area Network) connect?
What does MAN (Metropolitan Area Network) connect?
What is the Internet's main protocol suite for linking various types of electric devices worldwide?
What is the Internet's main protocol suite for linking various types of electric devices worldwide?
What is the Internet's primary characteristic?
What is the Internet's primary characteristic?
What is the function of the input transducer in a communication system?
What is the function of the input transducer in a communication system?
What is the purpose of the receiver in a communication system?
What is the purpose of the receiver in a communication system?
What is the function of the transmitter in a communication system?
What is the function of the transmitter in a communication system?
What is the essential function of an information source in a communication system?
What is the essential function of an information source in a communication system?
Which component of a communication system provides a physical connection between the transmitter and receiver?
Which component of a communication system provides a physical connection between the transmitter and receiver?
In which data transmission mode does the exchange of information happen in both directions, but not simultaneously?
In which data transmission mode does the exchange of information happen in both directions, but not simultaneously?
What type of communication system provides a capability where several receiving stations can be reached simultaneously from a single transmitter?
What type of communication system provides a capability where several receiving stations can be reached simultaneously from a single transmitter?
What is the function of the destination in a communication system?
What is the function of the destination in a communication system?
What is WAN (Wide Area Network)?
What is WAN (Wide Area Network)?
What are the basic elements of a communication system?
What are the basic elements of a communication system?
What are the basic components of a communication system?
What are the basic components of a communication system?
What is the function of the input transducer in a communication system?
What is the function of the input transducer in a communication system?
What is the purpose of the receiver in a communication system?
What is the purpose of the receiver in a communication system?
What are the three types of data transmission modes?
What are the three types of data transmission modes?
What is a Wide Area Network (WAN) and what geographic area does it typically span?
What is a Wide Area Network (WAN) and what geographic area does it typically span?
What are the different types of networks mentioned in the text?
What are the different types of networks mentioned in the text?
What is the main difference between a LAN and a MAN?
What is the main difference between a LAN and a MAN?
Explain the function of the Internet using the concept of 'network of networks.'
Explain the function of the Internet using the concept of 'network of networks.'
What is the significance of the TCP/IP protocol suite in the context of the Internet?
What is the significance of the TCP/IP protocol suite in the context of the Internet?
How does the network provide connectivity between computers and devices?
How does the network provide connectivity between computers and devices?
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Study Notes
Network Basics
- The main function of a network is to connect devices and facilitate communication between them.
Types of Networks
- A LAN (Local Area Network) connects a small number of systems in a relatively close geographical area.
- The Internet is commonly referred to as a WAN (Wide Area Network) that spans a large geographical area.
- A MAN (Metropolitan Area Network) connects several LANs in a metropolitan area.
- WAN (Wide Area Network) typically spans a large geographical area, such as a city or country.
Internet Characteristics
- The Internet's main protocol suite is TCP/IP, which enables linking various types of electric devices worldwide.
- The Internet's primary characteristic is its ability to connect devices and allow communication between them.
Communication System Components
- An input transducer converts input data into a signal that can be transmitted.
- The receiver receives the signal and converts it back into the original data.
- The transmitter sends the signal to the receiver.
- The information source provides the data to be transmitted.
- The channel provides a physical connection between the transmitter and receiver.
- The destination receives the transmitted data.
Data Transmission Modes
- Half-duplex mode allows data transmission in both directions, but not simultaneously.
- Simplex mode allows data transmission in one direction only.
- Full-duplex mode allows data transmission in both directions simultaneously.
Network Characteristics
- A broadcast network provides a capability where several receiving stations can be reached simultaneously from a single transmitter.
- The Internet is a network of networks, connecting multiple networks and devices worldwide.
Key Concepts
- The basic elements of a communication system are the information source, transmitter, channel, receiver, and destination.
- The basic components of a communication system are the input transducer, transmitter, channel, receiver, and destination.
- The main difference between a LAN and a MAN is the geographical area they span, with LANs covering a smaller area and MANs covering a larger area.
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